London

$341+ Cheap flights from Riverside, CA to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
May 19 — May 261
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Cheapflights Tip: The best prices from Riverside to London are usually found in September or October, booked 31 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from Riverside to London

Cheapest flights from Riverside to London
Explore the most affordable flight options available from Riverside to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 19, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 pm
LAX
-
LHR
2 stops17h 50m
Scandinavian Airlines
Tue 11/107:05 am
LHR
-
LAX
2 stops17h 55m
Scandinavian Airlines
Deal found 4/14$725
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 pm
LAX
-
LHR
1 stop14h 30m
Scandinavian Airlines
Tue 9/86:40 pm
LHR
-
LAX
1 stop30h 10m
Scandinavian Airlines
Deal found 4/14$726
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:10 pm
LAX
-
LHR
1 stop30h 10m
Scandinavian Airlines
Tue 5/1910:35 am
LHR
-
LAX
2 stops38h 15m
Scandinavian Airlines
Deal found 4/14$727
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:25 pm
LAX
-
STN
1 stop24h 45m
Turkish Airlines
Wed 5/66:55 am
STN
-
LAX
1 stop19h 20m
Turkish Airlines
Deal found 4/15$727
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:45 pm
LAX
-
LTN
2 stops33h 00m
Multiple Airlines
Sat 5/96:15 pm
LTN
-
LAX
1 stop31h 55m
Multiple Airlines
Deal found 4/14$728
This CrystalTravel deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:30 pm
LAX
-
LHR
1 stop14h 10m
Scandinavian Airlines
Mon 11/96:40 am
LHR
-
LAX
1 stop18h 20m
Scandinavian Airlines
Deal found 4/14$729
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
LAX
-
STN
2 stops40h 45m
Multiple Airlines
Tue 5/193:10 pm
STN
-
LAX
1 stop35h 00m
Multiple Airlines
Deal found 4/15$729
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:30 pm
LAX
-
LHR
1 stop18h 10m
Scandinavian Airlines
Tue 11/1010:20 am
LHR
-
LAX
1 stop14h 40m
Scandinavian Airlines
Deal found 4/14$731
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:30 pm
LAX
-
LGW
Nonstop10h 25m
Multiple Airlines
Wed 8/2612:05 pm
LGW
-
LAX
1 stop38h 00m
Multiple Airlines
Deal found 4/17$731
This Mytrip deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:45 pm
LAX
-
STN
2 stops24h 00m
Multiple Airlines
Tue 5/59:45 pm
STN
-
LAX
2 stops25h 00m
Multiple Airlines
Deal found 4/18$731
This LEVEL deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:50 pm
LAX
-
LHR
1 stop16h 15m
LEVEL
Fri 10/238:50 pm
LHR
-
LAX
1 stop30h 20m
LEVEL
Deal found 4/16$733
This Justfly.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:10 pm
LAX
-
STN
1 stop36h 30m
Turkish Airlines
Tue 5/56:55 am
STN
-
LAX
1 stop19h 20m
Turkish Airlines
Deal found 4/14$733

Find flight deals from Riverside to London

Keep the following information in mind while searching for Riverside to London flight deals. Data was last updated April 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$726
(FlightHub)

One-way from

$341
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$758
Provider with most accurate pricing for Los Angeles Los Angeles-London (LON) flight deals.
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-London (LON) flights.
From Riverside to London (LON)
One-way flight from Riverside to London (LON)
Highest demand for flights based on searches. 13% potential increase in price ($109 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 19, 2026.
Use the filters below to find and compare flights from Riverside to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Sun 5/3

8:10 pm-10:10 pm

1 stop18h 00m

London Stansted

Tue 5/19

5:35 pm-11:40 am

1 stop26h 05m

$786

Los AngelesLondon

LAX - SEN

LAXSEN

Los Angeles Los Angeles

Sun 5/10

4:45 pm-7:35 pm

2 stops18h 50m

London Southend

Mon 5/18

8:05 pm-2:45 pm

2 stops26h 40m

$803

Los AngelesLondon

LAX - SEN

LAXSEN

Los Angeles Los Angeles

Fri 5/8

4:45 pm-9:45 pm

2 stops21h 00m

London Southend

Mon 5/11

8:05 pm-2:45 pm

2 stops26h 40m

$816

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Mon 5/4

8:10 pm-10:10 pm

1 stop18h 00m

London Stansted

Mon 5/25

10:50 am-11:40 am

1 stop32h 50m

$828

Los AngelesLondon

LAX - SEN

LAXSEN

Los Angeles Los Angeles

Fri 5/1

7:55 pm-9:45 pm

1 stop17h 50m

London Southend

Sat 5/9

4:50 pm-6:10 pm

1 stop33h 20m

$860

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles Los Angeles

Sun 5/3

7:45 pm-10:55 pm

1 stop19h 10m

London Luton

Tue 5/19

12:45 pm-6:10 pm

1 stop37h 25m

$872

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Tue 5/5

1:25 pm-4:50 pm

1 stop19h 25m

London Stansted

Thu 5/14

5:35 pm-11:40 am

1 stop26h 05m

$874

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Sat 5/2

1:25 pm-9:55 am

1 stop36h 30m

London Stansted

Sun 5/17

10:50 am-6:15 pm

1 stop39h 25m

$886

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles Los Angeles

Fri 4/24

1:25 pm-11:50 pm

2 stops26h 25m

London Luton

Mon 4/27

6:05 pm-6:15 pm

2 stops32h 10m

$888

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles Los Angeles

Sun 9/20

10:20 am-4:50 pm

1 stop22h 30m

London Heathrow

Thu 9/24

6:10 pm-8:20 am

1 stop22h 10m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Riverside to London

Have a flexible travel schedule? Discover the best time to fly to London from Riverside with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Riverside to London

How far ahead should I book a flight from Riverside to London?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to London. Price data was last updated on April 17, 2026.

To ensure you get the cheapest price possible for a flight from Riverside to London, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest time of day to fly from R1V to LON?

Find hourly flight availability from Riverside to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 19, 2026.

A simple way to save on the total cost of your ticket is to fly from Riverside to London at noon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Riverside to London?

Use this chart to determine the cheapest time to fly round-trip from Riverside to London. Price data was last updated on April 18, 2026.

Travelers seeking maximum savings on their Riverside to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Riverside to London

Explore weekly flight availability from Riverside to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 19, 2026.

The most flights from R1V to LON are scheduled on a Monday (50 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (46 on average).

How much does it cost to fly round-trip from Riverside to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated April 19, 2026.
See what other customers who have flown with Delta,United Airlines, andNorse Atlantic UK from Riverside to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Norse Atlantic UK
7.3
Good

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Riverside to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Riverside to London?

    Departing from Riverside to London will take you 19h 25m. Airlines will cover a distance of 5442 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Riverside to London one-way?

    For one-way options, check prices for Norse Atlantic UK. According to our data, you can fly for as low as $136. Users have also found prices from $168 and $230 on TAP AIR PORTUGAL and WestJet, respectively.

  • What are the most popular routes from Riverside to London?

  • What are the most reliable airlines from Riverside to London?

    No one likes to see their flight delayed. When booking a flight from Riverside to London consider choosing Air Canada (90%), Austrian Airlines (90%) or United Airlines (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Riverside to London?

    While on average a flight from Riverside to London is generally $2,671, our data shows the cheapest flight currently is $323. When looking at the most popular route, (Los Angeles Los Angeles - London Heathrow), you can expect to pay $733 for that flight.

  • Can I find deals for flights from Riverside to London that include hotel bookings?

    Yes. In addition to deals on Riverside to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riverside to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to London.

  • Can I find deals for business class flights from Riverside to London?

    Yes. Cheapflights offers flight deals from Riverside to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Riverside to London

Discover the top 10 airlines that operate flights from Riverside to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$262Average$823FlexibilityNo cancel feeOn-time62%
Brussels AirlinesCheapest$291Average$821FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$336Average$762FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$349Average$708FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$427Average$552FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$474Average$636FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$484Average$1,105FlexibilityNo cancel feeOn-time78%
FinnairCheapest$485Average$736FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$486Average$712FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$498Average$809FlexibilityNo cancel feeOn-time70%

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